Added

graylog-plugin-function-base64inflate/src/main/java/org/graylog/plugins/custom/Base64InflateFunction.java

@@ -71,7 +71,9 @@ public class Base64InflateFunction extends AbstractFunction<String> {
         try {
             LOG.debug("Received input for Base64Inflate: {}", input);
             String urlDecoded = URLDecoder.decode(input, StandardCharsets.UTF_8.name());
-	    byte[] base64Decoded = Base64.getDecoder().decode(urlDecoded);
+	    String cleaned = urlDecoded.replaceAll("\\s", "");
+
+	    byte[] base64Decoded = Base64.getDecoder().decode(cleaned);
 
             try (InflaterInputStream inflater = new InflaterInputStream(
                     new ByteArrayInputStream(base64Decoded), new Inflater(true));